In a math class with 20 students, a test was given the same day that an assignment was due. There were 10 students who passed the test and 15 students who completed the assignment. There were 8 students who passed the test and also completed the assignment. What is the probability that a student chosen randomly from the class failed the test?

Q: If a student is picked at random, what is the probability that a) he or she is a full-time student…

A: The data is given by   No work part time work full time work Total Full time student 0.15 0.22…

Q: From experience, an airline knows that only 85% of the passengers booked for a certain flight…

A: Given Information :  From experience, an airline knows that only 85% of the passengers booked for a…

Q: Of the drivers who stop at a gas station, 91% purchase gasoline, and 5% purchase both gasoline and…

A: Given : Of the drivers stopping at a gas station, 91% purchase gasoline, 5% purchase both gasoline…

Q: Of all college freshman who try out for the track team, the coach Will only accept 30%. If 15…

A: Let X denote the number of freshman try out for the track team and it follows binomial distribution…

Q: What is the probability that Barbara selects a gold ball? If Barbara selects a ball from Box 1, what…

A:

Q: At Riyadh 5% of all students play football and basketball, 32% of all students play football. What…

A: Let , A=all students play foot ballB=all students play basket ballgiven,P(A∩B)=0.05P(A)=0.32

Q: Of the recent customers at Burger Haven, 2 wanted cheese on their burgers and 14 did not. What is…

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Q: In a recent study, 29% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

A:

Q: In a Toyota factory, 137 out of 129,000 cars have faulty brakes. If 50 cars checked at random, what…

A:

Q: In one​ lottery, a player wins the jackpot by matching all five numbers drawn from white balls​ (1…

A: He can select 5 numbers from 45 numbers in 45C5=1221759 ways He can select a number from 32 numbers…

Q: At a car manufacturing plant, 20% of cars have some sort of defect when they come off the line. If…

A: The Binomial probability distribution is: PX=xnxpx1-pn-x In the formula, n denotes the number of…

Q: A hockey coach was taking her team out to a picnic lunch to celebrate their first win. She made 7…

A: Here we should find the probability that all of them are hummus.

Q: Given that a random student plays music, what is the probability that the student does not play…

A: It is given that the number of students play music is 18+5 = 23.

Q: In a business, 9288 employees out of 9533 are using the company’s 401K plan.  Is it unusual to pick…

A: From the given information we find the solution.

Q: In one​ lottery, a player wins the jackpot by matching all five numbers drawn from white balls​ (1…

A: The player can pick 5 numbers from 42 numbers in 42C5 ways. (white balls) And 1 number from 32…

Q: A teacher of a class of 25 students is trying to decide whether her class will play soccer, or…

A:

Q: In a recent study, 35% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

A: It is given that 35% of the people surveyed indicate chocolate was their favourite flavour of ice…

Q: Lexi, a soup chef at a new restaurant, kept track of the first week's soup sales. Cup Bowl Split pea…

A:

Q: The air conditioner of 2 out of 10 cars in a car dealership is faulty. For a company that buys 4 of…

A: Giventhe air conditionerof 2 out of 10 carsis…

Q: In a certain country, 47 percent of the population are on a strict diet. In a sample of 20…

A: Let p be the probability that an individual is on a strict diet. Given that p = 47% = 0.47 Let X…

Q: In a math class with 21 students, a test was given the same day that an assignment was due. There…

A:

Q: In a city of 120,000 people there are 20,000 Norwegians. What is the probability that a randomly…

A: Total number of people, N=120,000 Number of Norwegians, n=20,000 The objective is to find the…

Q: 90 students, including JB and Jane, are to be split into three classes of equal size, and this is to…

A: The number of student in the class is 90. Number of parts the class is divided is 3.

Q: From experience, an airline knows that only 70% of the passengers booked for a certain flight…

A:

Q: In a certain science degree program, 25 percent of the students failed their mathematics exam, 15…

A:

Q: In a group of 10 people chosen randomly, what is the probability that three of the ten people have a…

A: Given: Number of trials (n) = 10 Probability of success (p) = 11000000=0.000001 Let X be the number…

Q: At a hot air balloon festival, Terrell made note of how many passengers were in each balloon and the…

A: We have to find out the probability for contingency table.

Q: A grocery store manager notes that 35% of the customers who buy a product make use of a store coupon…

A: Given: Probability of customers who buy a product is, p=35%=0.35. Number of people purchase the…

Q: A computer technician notes that 40% of computers fail because of the hard drive. If he repairs many…

A: random variable X number of trials at which first success occurs. X~geometric(p)  where…

Q: 2.  In a recent survey, 18 people preferred milk, 29 people preferred coffee, and 13 people…

A: Given data in a recent survey  18 people preferred milk , 29 people preferred coffee, 13 people…

Q: About one-fifth of the population of a town has blue eyes. About two-sevenths of the population has…

A:

Q: in a classroom of 30 students, what is the probability that at least two of the students share a…

A: Introduction:The probability of an event is the number of cases favorable for the event, divided by…

Q: f seven fair coins are simultaneously tossed in the air, what is the probability

A: When a coin is tossed Probability of getting heads is =0.5 Probability of getting tails is =0.5 If 7…

Q: Suppose a basketball player is a 73% free-throw shooter and he attempts 10 free throws. a. What is…

A: From the provided information, A basketball player is a 73% free-throw shooter that is p = 0.73…

Q: In the past 20 races, there was two A-class horses to participate in each race. And there was ten…

A: two A class horses participate in each race but only one can win championship. and out of 20 races…

Q: What is the probability that the second ball is red, given that the first ball is red?

A: There are two urns contains two different colors of ball. First urn contains 6 red balls and 3 blue…

Q: A company set up a kiosk in the Mall of America for several hours and asked randomly selected people…

A: There are 10 white color, 20 black color, 25 lime color, 35 orange, and 10 red color phones.

Q: What is the probability that A or B3 occurs? Given that B2 has occurred, what is the probability…

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Q: a) What is the probability that a randomly chosen male respondent or his partner has blue eyes? b)…

A: HERE GIVEN CONTIGENCY TABLE OF COLOR OF EYES OF MALE AND HIS PARTER AS PER POLICY I  HAVE CALCULATED…

Q: Given that 20 books in a shipment of 200 books contain misprints, and you buy three of them. What is…

A:

Q: In a group of 78 people; 24 drink tea and 31 drink coffee. Find the probability that a person picked…

A: 24 - drink tea 31 - drink coffee total 78 people select at random

Q: At a local car dealership, 100 people were injured during the end of year celebration event from…

A: Given that at the closing day, total people attended the event = 12500The total people got injured…

Q: The mailing list of an agency that markets scuba-diving trips to the Florida Keys contains 78% males…

A:

Q: At a retail store 15 customers paid with cash, 20 paid with credit card, and 17 paid with debit…

A: The answer can be given by using the concept of probability.

Q: In a summer camp, 48% of the children are enrolled in swimming and 40% in tennis. One-third of the…

A:

Q: A convenience store estimated that 22% of its customers come in to buy milk. What is the probability…

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Q: In a survey of 150 investors who had recently purchased shares: 85 said they had bought share A, 70…

A: Here,PA=85150PB=75150Pneither A nor B=PA∩B=35150

Q: In a recent study, 35% of people surveyed indicated chocolate was their favorite flavor of ice…

A: Let X denote the number of those in the sample name chocolate. Then X follows a Binomial…

Q: What is the probability that a randomly selected student owns a home, given the student is a female?

A: 5. The probability that a randomly selected student owns a home, given student is a female is,…